CONFINED SPACE EXAM 2 QUESTIONS
WITH 100% CORRECT ANSWERS.
What is the definition of confined space?
Large enough to enter but not designed for continuous human occupancy with ristricted access
egress
How many types of confined space is there and what are the types?
2 types, permit and non permit required
What are examples of confined space?
Tanks, silos aqueducts, storage containers hoppers, bins
What is a restricted opening and how many types of openings are there?
24 inches or less and 6 types
At what height is a tripod or high point anchor required?
When the depth of the entrance is 5 feet or more
When placing a tripod on a slope, how many legs should face down hill and where should
the head of the rope be?
Down hill with the head center on the connection point facing uphill
What is a useful document in identifying hazards and restricted openings?
SDS Safety data sheet
What hazards will be identified and mitigated?
Mechanical, electrical, pneumatic, engulfment, temperature, hazardous substance, pipes, ducts
and atmospheric
What percent of oxygen is considered deficient?
Below 19.5
, What percent of oxygen is considered enriched?
23.5
What are three scales used on gas meters to display levels of combustible vapors?
Parts per million (PPM), percent of gas and LEL( lower explosive limit)
What does engulfment mean?
The surrounding and capture of a person by a liquid or finely solid substance
What is the effect on a person at 12% or less oxygen?
Death
What are the safe oxygen levels?
19.5 to 23.5
Is dust flammable?
Yes
What does IDLH stand for?
Immediate danger to life or health
What is isolation or lock out tag out?
Disconnecting or making safe the equipment involves the removal of all energy sources
At what levels should the atmosphere be tested?
Stratified, every four feet
What are the four strategies for monitoring the atmosphere?
General, parameter, confined space, and personnel
What is the order of testing with a multi gas monitor?
Oxygen, flammability toxic
What is a bump test?
WITH 100% CORRECT ANSWERS.
What is the definition of confined space?
Large enough to enter but not designed for continuous human occupancy with ristricted access
egress
How many types of confined space is there and what are the types?
2 types, permit and non permit required
What are examples of confined space?
Tanks, silos aqueducts, storage containers hoppers, bins
What is a restricted opening and how many types of openings are there?
24 inches or less and 6 types
At what height is a tripod or high point anchor required?
When the depth of the entrance is 5 feet or more
When placing a tripod on a slope, how many legs should face down hill and where should
the head of the rope be?
Down hill with the head center on the connection point facing uphill
What is a useful document in identifying hazards and restricted openings?
SDS Safety data sheet
What hazards will be identified and mitigated?
Mechanical, electrical, pneumatic, engulfment, temperature, hazardous substance, pipes, ducts
and atmospheric
What percent of oxygen is considered deficient?
Below 19.5
, What percent of oxygen is considered enriched?
23.5
What are three scales used on gas meters to display levels of combustible vapors?
Parts per million (PPM), percent of gas and LEL( lower explosive limit)
What does engulfment mean?
The surrounding and capture of a person by a liquid or finely solid substance
What is the effect on a person at 12% or less oxygen?
Death
What are the safe oxygen levels?
19.5 to 23.5
Is dust flammable?
Yes
What does IDLH stand for?
Immediate danger to life or health
What is isolation or lock out tag out?
Disconnecting or making safe the equipment involves the removal of all energy sources
At what levels should the atmosphere be tested?
Stratified, every four feet
What are the four strategies for monitoring the atmosphere?
General, parameter, confined space, and personnel
What is the order of testing with a multi gas monitor?
Oxygen, flammability toxic
What is a bump test?
